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tc: add meta match on receive hash 

Trivial extension to existing meta data match rules to allow
matching on skb receive hash value.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stephen Hemminger 2010-08-24 14:48:10 -07:00 committed by David S. Miller
parent 5a46790ca4
commit c2e3143e3c
2 changed files with 7 additions and 0 deletions
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1
include/linux/tc_ematch/tc_em_meta.h
View File

@ -79,6 +79,7 @@ enum {
TCF_META_ID_SK_SENDMSG_OFF,
TCF_META_ID_SK_WRITE_PENDING,
TCF_META_ID_VLAN_TAG,
TCF_META_ID_RXHASH,
__TCF_META_ID_MAX
};
#define TCF_META_ID_MAX (__TCF_META_ID_MAX - 1)

6
net/sched/em_meta.c
View File

@ -223,6 +223,11 @@ META_COLLECTOR(int_maclen)
dst->value = skb->mac_len;
}
META_COLLECTOR(int_rxhash)
{
dst->value = skb_get_rxhash(skb);
}
/**************************************************************************
* Netfilter
**************************************************************************/
@ -541,6 +546,7 @@ static struct meta_ops __meta_ops[TCF_META_TYPE_MAX+1][TCF_META_ID_MAX+1] = {
[META_ID(SK_SENDMSG_OFF)] = META_FUNC(int_sk_sendmsg_off),
[META_ID(SK_WRITE_PENDING)] = META_FUNC(int_sk_write_pend),
[META_ID(VLAN_TAG)] = META_FUNC(int_vlan_tag),
[META_ID(RXHASH)] = META_FUNC(int_rxhash),
}
};